:root{--bg-color:#f8f9fa;--text-color:#222;--card-bg:#fff;--primary-color:#4d5ddb;--accent-color:#ff922b;--card-shadow:0 2px 4px rgba(0,0,0,.1);--border-radius:8px;--border-color:#ccc;--tag-bg:#e9ecef;--tag-color:#333}@media (prefers-color-scheme:dark){:root{--bg-color:#121212;--text-color:#e0e0e0;--card-bg:#1e1e1e;--primary-color:#7081ff;--border-color:#444;--card-shadow:0 2px 6px rgba(0,0,0,.5);--tag-bg:#343a40;--tag-color:#f1f1f1}}body{background:var(--bg-color);color:var(--text-color);color-scheme:light dark;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;margin:0;padding:0;transition:background .3s,color .3s}.container{margin:0 auto;max-width:960px;padding:20px}.index-hero{background:linear-gradient(135deg,#4d5ddb,#6b8bfa,#4b5ef0);border-radius:var(--border-radius);box-shadow:0 4px 12px rgba(0,0,0,.15);color:#fff;margin:2rem 0;overflow:hidden;padding:4rem 1rem;position:relative;text-align:center}.index-hero:before{background:radial-gradient(circle at top 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.3s}.ad-section:hover{box-shadow:0 4px 10px rgba(0,0,0,.15)}footer{color:#666;font-size:.9rem;margin-top:4rem;padding:2rem 1rem;text-align:center}footer ul{list-style:none;margin:.5rem 0 0;padding:0}footer li{display:inline;margin:0 .5rem}footer a{color:inherit;text-decoration:none}footer a:hover{text-decoration:underline}table{background:var(--card-bg);border-collapse:collapse;border-radius:4px;box-shadow:var(--card-shadow);margin:1rem 0;overflow:hidden;width:100%}td,th{border-bottom:1px solid var(--border-color);padding:.75rem;text-align:left}thead th{background:var(--accent-color);color:#fff}tbody tr:nth-child(2n){background:var(--tag-bg)}.calculator-container>header{background:var(--primary-color);color:#fff;padding:1.25rem;text-align:center}.calculator-container>main{padding:25px}.button-section{margin-top:30px;text-align:center}.btn-copy{background-color:var(--primary-color);border:none;border-radius:4px;color:#fff;cursor:pointer;display:inline-block;font-size:1rem;padding:10px 20px;transition:background-color .3s ease}.btn-copy:hover{background-color:#0056b3}.calculator-dashboard{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.calc-panel{background:var(--card-bg);border-radius:8px;box-shadow:var(--card-shadow);padding:1rem}.calc-form-grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.calc-form-grid>#advanced-options,.calc-form-grid>.ad-section,.calc-form-grid>button{grid-column:1/-1}.calc-form-grid #advanced-options{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.calculator-dashboard .schedule-container{grid-column:1/-1}.result-panel button{background:var(--accent-color);border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:1rem;margin-top:.5rem;padding:.75rem;transition:background .2s;width:100%}.result-panel button:hover{background:#e67c13}.table-wrapper{overflow-x:auto;width:100%;-webkit-overflow-scrolling:touch}#scenario-table,.schedule-container{display:none;margin-top:20px}.block-label{display:block;margin-top:5px}.vertical-middle{vertical-align:middle}.share-buttons{display:flex;gap:.5rem;justify-content:center;margin-top:1.5rem}.share-button{align-items:center;border-radius:50%;color:#fff;display:inline-flex;height:36px;justify-content:center;text-decoration:none;width:36px}.share-button svg{height:20px;width:20px;fill:currentColor}.share-button.twitter{background:#1da1f2}.share-button.facebook{background:#1877f2}.share-button.linkedin{background:#0a66c2}.byline{align-items:center;display:flex;font-size:.9rem;gap:.5rem;margin:.5rem 0 .75rem}.byline .author-photo{border-radius:50%;height:48px;object-fit:cover;width:48px}.byline .byline-label{font-weight:500}.featured-banner{align-items:center;background:linear-gradient(135deg,var(--accent-color),var(--primary-color));border-radius:var(--border-radius);box-shadow:var(--card-shadow);color:#fff;display:flex;font-weight:600;gap:.5rem;margin-bottom:1rem;padding:.5rem .75rem}.featured-banner svg{flex-shrink:0;height:24px;width:24px}